Compare 990142 vs 990154
| Property | 990142 | 990154 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 21 × 4950711 | 21 × 111 × 450071 |
| Prime factorization | 2 × 495071 | 2 × 11 × 45007 |
| Divisors count | 4 | 8 |
| Divisors | 1, 2, 495071, 990142 | 1, 2, 11, 22, 45007, 90014, 495077, 990154 |
| Number of properties | 1 | 0 |
| Semiprimes | 208065th | |
| Roman numberals | ||
| Base 2 | 111100011011101111102 | 111100011011110010102 |
| Base 3 | 12120220122213 | 12120220201013 |
| Base 4 | 33012323324 | 33012330224 |
| Base 5 | 2231410325 | 2231411045 |
| Base 6 | 331155546 | 331200146 |
| Base 7 | 112624667 | 112625147 |
| Base 8 | 36156768 | 36157128 |
| Base 9 | 17681879 | 17682119 |
| Base 10 | 99014210 | 99015410 |
| Base 11 | 6169aa11 | 616a1011 |
| Base 12 | 3b8bba12 | 3b900a12 |
| Base 13 | 2888aa13 | 2888b913 |
| Base 14 | 1baba614 | 1babb414 |
| Base 15 | 14859715 | 1485a415 |
| Base 16 | f1bbe16 | f1bca16 |